package com.aistar.helper.day01;

import java.util.HashMap;
import java.util.Map;

/**
 * 本类用来演示
 **/
public class HelloWorld {
    public static void main(String[] args) {
        Map m = new HashMap();
        m.put("a",12);
        m.put("b",112);
        HelloWorld helloWorld = new      HelloWorld();
        int[]      arr        = new      int[10];
        int        aaa        = 10;
        Integer    aaaaa      = 10;

        char char1 = 'a';
        int text = 10;
        System.out.print("========");
        System.out.println((int )'a');



        System.out.println("HelloWorld");

        System.out.print("World\r");

        System.out.print("aaaa");

    }
}

